Cited by 132Memory and Neural MechanismsNeural and Behavioral Psychology StudiesNeurotransmitter Receptor Influence on Behavior

The basolateral amygdala is critical to the expression of Pavlovian and instrumental outcome-specific reinforcer devaluation effects

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Johnson, Alexander W., Gallagher, Michela, Holland, Peter C.·2009·The Journal of Neuroscience

Abstract

Considerable evidence implicates the basolateral amygdala (BLA) in the formation of outcome representations that link cues to the incentive properties of reinforcers. Animals with BLA damage show impaired performance in reinforcer devaluation tasks, in which the value of the food reinforcer is reduced by satiation or food–toxin pairings after the completion of cue or response training. Although intact animals spontaneously reduce their conditioned responding after such reinforcer devaluation procedures, animals with BLA lesions made before training typically do not, as evidenced across a range of species, training contingencies, and devaluation procedures. In contrast, the role of the BLA in devaluation task performance once such outcome representations are established is unclear. Whereas Pickens et al. (2003) found normal devaluation performance in rats when BLA lesions were made after pavlovian light–food pairings but before devaluation by food–toxin pairings, Ostlund and Balleine (2008) found impaired devaluation performance when BLA lesions were made after instrumental training with multiple instrumental responses and food reinforcers but before devaluation of one reinforcer by selective satiation. Those studies differed in their use of pavlovian or operant training contingencies, single or multiple reinforcers, and associative or motivational devaluation procedures. Here we found that, when multiple reinforcers were used, posttraining BLA lesions disrupted the expression of devaluation performance in rats, using either pavlovian or instrumental training procedures and either conditioned taste aversion or satiation devaluation procedures. Thus, BLA apparently plays a critical role in maintaining or using sensory associations of reinforcer value when multiple outcomes must be coded but not under single-outcome conditions.

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Authors
Johnson, A. W., Gallagher, M., & Holland, P. C.
Affiliations
Johns Hopkins University (US)
Venue
The Journal of Neuroscience
Published
2009-01-21
Volume
29
Issue
3
Pages
696-704
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2051022103
Cited by
132
References
29
Citations by year
2026: 1 · 2025: 9 · 2023: 8 · 2022: 10 · 2021: 9 · 2020: 4 · 2019: 10 · 2018: 5 · 2017: 7 · 2016: 9 · 2015: 7 · 2014: 1 · 2013: 10 · 2012: 9
FWCI
6.61
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (R01MH060179, MH 60179)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
basolateral amygdala, reinforcer devaluation, classical conditioning, operant conditioning, conditioned taste aversion, satiation, conditioned responding, food reinforcement
MeSH terms
Amygdala, Analysis of Variance, Animals, Avoidance Learning, Choice Behavior, Conditioning, Classical, Conditioning, Operant, Extinction, Psychological, Male, Reinforcement, Psychology, Rats, Long-Evans, Rats

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